Programmable logic controller



FIG. 1 is a front, bottom and left side perspective view of aprogrammable logic controller showing my new design;

FIG. 2 is a rear, top and right side perspective view thereof;

FIG. 3 is front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a front, bottom and left side perspective view thereof showinga condition in which the first and second covers for an additionterminal block are removed;

FIG. 10 is a front elevational view thereof showing a condition in whichthe covers are opened;

FIG. 11 is a front elevational view thereof showing a condition in whichthe first and second covers for an additional terminal block areremoved;

FIG. 12 is an enlarged front, bottom and left side perspective view of aremoved first cover thereof; an enlarged front, bottom and left sideperspective view of a removed second cover being identical;

FIG. 13 is an enlarged rear, top and right side perspective view of aremoved first cover thereof; an enlarged rear, top and right sideperspective view of a removed second cover being identical; and,

FIG. 14 is a front elevational view thereof showing a condition in whichthe light emitting diodes and display characters are actuated.

The ornamental design for a programmable logic controller, as shown anddecribed.